Flight Check

Best Airline: ATL to PDX

Atlanta to Portland — airline reliability comparison

Delta Air Lines is the most reliable airline on the ATL to PDX route with a 83% on-time rate, compared to Alaska Airlines at 75%. Based on 4,503 flights tracked.

This route involves high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Delta Air Lines83%
Alaska Airlines75%

ATL to PDX Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest83%0.8%53m4,503
Alaska AirlinesASWorst75%0.6%60m506

Route Overview

81%
Overall On-Time
55m
Avg Delay
0.8%
Cancel Rate
5,022
Total Flights
ATL to PDX Route DetailsReturn: PDX to ATL
ATL AirportPDX Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.